Description
When loading a specifically crafted ICNS format image file in QImage then it will trigger a crash.
This issue affects Qt from versions 6.3.0 through 6.5.9, from 6.6.0 through 6.8.4, 6.9.0. This is fixed in 6.5.10, 6.8.5 and 6.9.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Qt | Qt | 6.3.0 – ≤ 6.5.9, 6.6.0 – ≤ 6.8.4, 6.9.0 | 6.5.10 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qt6-imageformats | 6.8.2-4 | — |
| Debian 14 | qtimageformats-opensource-src | 5.15.15-4 | — |
| Debian 13 | qt6-imageformats | 6.8.2-4 | — |
| Debian 13 | qtimageformats-opensource-src | 5.15.15-4 | — |
| Debian 12 | qt6-imageformats +1 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qt6-imageformats +1 | No fix yet | — |
| Ubuntu 26.04 LTS | qt6-imageformats +1 | No fix yet | — |
| Ubuntu 25.10 | qt6-imageformats +1 | No fix yet | — |
| Ubuntu 24.04 LTS | qt6-imageformats +1 | No fix yet | — |
| Ubuntu 22.04 LTS | qt6-imageformats +1 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | qtimageformats-opensource-src | No fix yet | — |
| Ubuntu 18.04 LTS | qtimageformats-opensource-src | No fix yet | — |
| Ubuntu 16.04 LTS | qtimageformats-opensource-src | No fix yet | — |
Advisories 1
- WID-SEC-2025-1253 QT: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 5, 2025